Achromatic Waveplates
Achromatic Waveplates
Introduction for Achromatic Waveplates
Unlike standard waveplate, Achromatic Waveplate( AWP) provide a constant phase shift independent of the wavelength of light that is used.This wavelength independence is achieved by using two different crystalline materials to yield quarter- or half-wave retardation over a broad spectral range.The Retardation tolerance of our AWP is better than λ/100 over the entire wavelength range.The flat response of an AWP is ideal for use with tunable lasers,multiple laser-line systems and other broad spectrum sources
Specifications
| Material | Crystal Quartz&MgF2 |
| Typically Diameter | 10.0, 12.7, 15.0, 20.0 |
| Diameter Tolerance | +0.0,-0.2mm |
| Wavefront Distortion | ≤λ/4 at 632.8 nm |
| Clear Aperture | ≥central 90% of diameter |
| Surface Quality | 40/20 scratch-dig |
| Retardation | <λ/100 over wavelength range |
| Parallelism |
<3arc second.(General) , <1 arc second. (High Precision) |
Wavelength Ranges: 450~680nm,700~1000nm,950~1300nm,1200~1650nm
Note for waveplate:
(1).Other wavelengths are also available upon request.
(2).Holder: To use the roating holder is available upon request
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